Will a Sigma 24mm f/1.4 ART autofocus on a Nikon D5100?

I have hears that the ART series is only for F mounts and will only autofocus on full frame Nikon bodies. But then I have also seen that it will autofocus on a D5100.

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What would be a good and the best lens for my Nikon d7200 to take photos at a concert?

What would be a good and the best lens for my Nikon d7200 to take photos at a concert? - 1

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